/*
 * Copyright � 2002-2011 the original author or authors.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

using System.Runtime.Serialization;
using Spring.Core.TypeResolution;

namespace Spring.Expressions;

/// <summary>
/// Represents parsed attribute node in the navigation expression.
/// </summary>
/// <author>Aleksandar Seovic</author>
[Serializable]
public class AttributeNode : ConstructorNode
{
    /// <summary>
    /// Create a new instance
    /// </summary>
    public AttributeNode()
    {
    }

    /// <summary>
    /// Create a new instance from SerializationInfo
    /// </summary>
    protected AttributeNode(SerializationInfo info, StreamingContext context)
        : base(info, context)
    {
    }

    /// <summary>
    /// Tries to determine attribute type based on the specified
    /// attribute type name.
    /// </summary>
    /// <param name="typeName">
    /// Attribute type name to resolve.
    /// </param>
    /// <returns>
    /// Resolved attribute type.
    /// </returns>
    /// <exception cref="TypeLoadException">
    /// If type cannot be resolved.
    /// </exception>
    protected override Type GetObjectType(string typeName)
    {
        Type type;

        try
        {
            type = base.GetObjectType(typeName);
        }
        catch (TypeLoadException)
        {
            if (typeName.EndsWith("Attribute"))
            {
                throw;
            }

            type = TypeResolutionUtils.ResolveType(typeName + "Attribute");
        }

        return type;
    }
}
